[Ubuntu-x-swat] [Bug 1789913] Re: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A)
At the risk of posting this in the wrong place ... I encountered a crash just like this today and I believe it's the same thing. I've got a Dell Precision 7530 with a discrete AMD card in bypass/direct mode (the Intel graphics are bypassed). 1. Like the original report, I connected a display to the HDMI output of the laptop 2. I waited several seconds and the external display was not automatically enabled 3. I pressed Win-P to get to the display quick change dialog 4. X crashes to a login screen It's not clear whether the crash was in progress before or after I pressed Win-P. The symptom seems to be the same. The X log shows a bunch of EDID data being read from the HDMI device, then "randr: falling back to unsynchronized pixmap sharing", which is the last message in the crashed X log. Packages on this machine: xserver-common: 2:1.19.6-1ubuntu4.2 xserver-xorg-video-amdgpu-hwe-18.04: 18.1.0-1~18.04.1 Are there any additional data collection steps I can take to confirm that this is the same error or help debug it? -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1789913 Title: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1789913/+subscriptions ___ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
[Ubuntu-x-swat] [Bug 1789913] Re: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A)
Does anyone have a stack trace of what this crash was? -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1789913 Title: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1789913/+subscriptions ___ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
[Ubuntu-x-swat] [Bug 1789913] Re: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A)
This bug was fixed in the package xorg-server - 2:1.19.6-1ubuntu4.1 --- xorg-server (2:1.19.6-1ubuntu4.1) bionic; urgency=medium * prime-sync-refactor.diff: Fix crash on modesetting+amdgpu hybrid. (LP: #1789913) * sync-i965-pciids.diff: Update intel pci-id's. (LP: #1789924) -- Timo Aaltonen Wed, 05 Sep 2018 14:38:25 +0300 ** Changed in: xorg-server (Ubuntu Bionic) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1789913 Title: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1789913/+subscriptions ___ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
[Ubuntu-x-swat] [Bug 1789913] Re: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A)
This bug was fixed in the package xorg-server-hwe-16.04 - 2:1.19.6-1ubuntu4.1~16.04.1 --- xorg-server-hwe-16.04 (2:1.19.6-1ubuntu4.1~16.04.1) xenial; urgency=medium * prime-sync-refactor.diff: Fix crash on modesetting+amdgpu hybrid. (LP: #1789913) -- Timo Aaltonen Wed, 05 Sep 2018 14:31:56 +0300 ** Changed in: xorg-server-hwe-16.04 (Ubuntu Xenial) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1789913 Title: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1789913/+subscriptions ___ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
[Ubuntu-x-swat] [Bug 1789913] Re: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A)
thanks, tags updated ** Tags removed: verification-needed verification-needed-bionic ** Tags added: verification-done verification-done-bionic -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1789913 Title: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1789913/+subscriptions ___ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
[Ubuntu-x-swat] [Bug 1789913] Re: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A)
Yes, I have tested the package with Bionic on the same Dell Precision 7730 unit and found it works well, too. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1789913 Title: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1789913/+subscriptions ___ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
[Ubuntu-x-swat] [Bug 1789913] Re: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A)
Could someone also perform the same test on a bionic system? Thank you. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1789913 Title: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1789913/+subscriptions ___ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
[Ubuntu-x-swat] [Bug 1789913] Re: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A)
I verified the xserver-xorg-core-hwe-16.04 on Dell Precision 7730(I+A). This external monitor works normal. ** Tags removed: verification-needed-xenial ** Tags added: verification-done-xenial -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1789913 Title: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1789913/+subscriptions ___ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
[Ubuntu-x-swat] [Bug 1789913] Re: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A)
Hello Timo, or anyone else affected, Accepted xorg-server-hwe-16.04 into xenial-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/xorg- server-hwe-16.04/2:1.19.6-1ubuntu4.1~16.04.1 in a few hours, and then in the -proposed repository. Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users. If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested and change the tag from verification-needed-xenial to verification-done-xenial. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-xenial. In either case, without details of your testing we will not be able to proceed. Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping! N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days. ** Changed in: xorg-server-hwe-16.04 (Ubuntu Xenial) Status: Triaged => Fix Committed ** Tags added: verification-needed-xenial -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1789913 Title: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1789913/+subscriptions ___ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
[Ubuntu-x-swat] [Bug 1789913] Re: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A)
Hello Timo, or anyone else affected, Accepted xorg-server into bionic-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/xorg- server/2:1.19.6-1ubuntu4.1 in a few hours, and then in the -proposed repository. Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users. If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested and change the tag from verification-needed-bionic to verification-done-bionic. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-bionic. In either case, without details of your testing we will not be able to proceed. Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping! N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days. ** Changed in: xorg-server (Ubuntu Bionic) Status: Triaged => Fix Committed ** Tags added: verification-needed verification-needed-bionic -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1789913 Title: X crashes with "randr: falling back to unsynchronized pixmap sharing" when connecting to an external monitor via HDMI (I+A) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1789913/+subscriptions ___ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
